Door and window handle with lock

The utility model provides a door and window handle with a lock. A door and window lock belongs to door and window accessories, and comprises a handle, a base rotationally connected with the handle, agear piece arranged on the base and connected with the handle, a shifting fork arranged on the base and in gear transmission with the gear piece, a lock plate fixedly connected with the shifting fork, a lock column arranged in the base and capable of rotating relative to the base, and an eccentric lock shaft vertically arranged on the front end surface of the lock column, when a door and a windoware locked, the locking end of the locking plate moves to the front of the locking column, and the eccentric locking shaft is driven to be connected with the locking end when the locking column is rotated. When a door and a window are locked, the handle is rotated to drive the gear piece on the base to rotate, the gear piece drives the shifting fork meshed with the gear piece to move linearly, the locking end of the locki